939010313 - 5580EC ULTRASOUND/ANTI-LIFT MODULE CHECK
 | The ultrasound and antilift modules are located in the front courtesy light |
| CHECK TO BE PERFORMED | RESOLUTION IF THE CHECK IS NOT OK | |
|---|---|---|
| 1 | Connect the diagnostic instrument in Voltmeter mode with the positive terminal connected to Pin 1 and the negative earthed to Pin 2 of the volumetric sensor unit for the alarm. The direct battery voltage reading should be 12 Volts. See G010 FRONT COURTESY LIGHT Move on to Step 3 | Move on to Step 2 |
| 2 | Check in the under-dashboard junction unit whether fuse F39 has blown (it is the second from the top in the left-hand column) and replace. See B002 JUNCTION UNIT UNDER DASHBOARD The test can be considered over | Restore the power supply See E7015 ALARM |
| 3 | Connect the positive probe to Pin 3 of the unit and the negative to Earth. See G010 FRONT COURTESY LIGHT Turn the key ON and ensure the reading is 12 Volts.Move on to Step 5 | Move on to Step 4 |
| 4 | Check in the under-dashboard junction unit whether fuse F49 has blown (it is in the centre in the right-hand column) and replace. See B002 JUNCTION UNIT UNDER DASHBOARD The test can be considered over | Replace the antilift sensors Op. 5580E50 ANTITHEFT DEVICE VOLUMETRIC SENSOR R R FOLLOWING ELECTRICAL CIRCUIT CHECK |
| 5 | Disconnect connector D from the Body Computer. See M001 BODY COMPUTER Connect the diagnostic instrument in Ohmmeter mode between Pin 4 of the unit side connector and Pin 7 of connector D Body Computer side. See G010 FRONT COURTESY LIGHT See M001 BODY COMPUTER Ensure the wiring is continuous and the earth is insulated | Restore continuity/insulation See E7015 ALARM |
| 6 | Replace the antilift sensors Op. 5580E50 ANTITHEFT DEVICE VOLUMETRIC SENSOR R R FOLLOWING ELECTRICAL CIRCUIT CHECK |
| Pin | Function |
|---|---|
| 1 | + 30 |
| 2 | Earth |
| 3 | + 15 |
| 4 | A-BUS |